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Finding the Fourth Proportional to 222,937.92, 307,663.20 and 122,339.52

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Solution

The fourth proportional to 222,937.92, 307,663.20 and 122,339.52 is: 168,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,937.92 : 307,663.20 = 122,339.52 : x
  2. Step 2: Convert to fraction form
    222,937.92/307,663.20 = 122,339.52/x
  3. Step 3: Cross multiply
    222,937.92x = 307,663.20 × 122,339.52
  4. Step 4: Simplify right side
    222,937.92x = 37,639,368,209.66
  5. Step 5: Solve for x
    x = 37,639,368,209.66/222,937.92
  6. Step 6: Final answer
    x = 168,833.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.